<template>
  <div class="top-menu">
    <el-menu :default-active="activeIndex" mode="horizontal" text-color="#333">
      <el-menu-item index="0" @click.native="openHome(itemHome)" key="0">
        <template slot="title">
          <i :class="itemHome.source"></i>
          <span>{{ generateTitle(itemHome) }}</span>
        </template>
      </el-menu-item>
      <template v-for="(item, index) in items">
        <el-menu-item :index="item.id + ''" @click.native="openMenu(item)" :key="index">
          <template slot="title">
            <i :class="item.source" style="padding-right: 5px"></i>
            <span>{{ generateTitle(item) }}</span>
          </template>
        </el-menu-item>
      </template>
    </el-menu>
  </div>
</template>

<script>
import { mapGetters } from 'vuex';

export default {
  name: 'top-menu',
  data() {
    return {
      itemHome: {
        name: '首页',
        source: 'el-icon-menu'
      },
      activeIndex: '0',
      items: []
    };
  },
  inject: ['index'],
  created() {
    this.getMenu();
  },
  computed: {
    ...mapGetters(['tagCurrent', 'menu'])
  },
  mounted() {},
  methods: {
    openHome(itemHome) {
      this.index.openMenu(itemHome);
      this.$router.push({
        path: this.$router.$avueRouter.getPath({ name: itemHome.name, src: '' }, {})
      });
    },
    openMenu(item) {
      this.index.openMenu(item);
    },
    getMenu() {
      this.$store.dispatch('GetTopMenu').then((res) => {
        this.items = res;
      });
    },
    generateTitle(item) {
      return this.$router.$avueRouter.generateTitle(item.name, (item.meta || {}).i18n);
    }
  }
};
</script>
